Volume 4: January 2012 - December 2012

Contents

Spaces of locally convex curves in S^n and combinatorics of the group B^+_{n+1} 1
Nicolau C. Saldanha and Boris Shapiro
Irreducibility criterion for quasi-ordinary polynomials 23
Abdallah Assi
Fronts of Whitney umbrella – a differential geometric approach via blowing up 35
Toshizumi Fukui and Masaru Hasegawa
Kahn's correspondence and Cohen-Macaulay modules over abstract surface and curve singularities 68
Volodymyr Gavran
Inflection points of real and tropical plane curves 74
Erwan A. Brugallé and Lucia M. López de Medrano
A volume-preserving normal form for a reduced normal crossing function germ 104
Adrian Szawlowski
A polynomial generalization of the Euler characteristic for algebraic sets 114
Miguel A. Marco-Buzunáriz




Future articles will be published immediately upon acceptance.